зеркало из https://github.com/mozilla/gecko-dev.git
Bug 469628 - Playing 8-bit Wave files can block writing to the audio backend - r=doublec sr=roc
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1b324bbec5
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6efa8eee37
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@ -537,8 +537,9 @@ nsWaveStateMachine::Run()
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// completely fill the audio backend's buffers with data. This
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// allows us plenty of time to wake up and refill the buffers
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// without an underrun occurring.
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PRUint32 sampleSize = mSampleFormat == nsAudioStream::FORMAT_U8 ? 1 : 2;
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PRUint32 len = RoundDownToSample(NS_MIN(mStream->Available(),
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PRUint32(mAudioStream->Available() * sizeof(short))));
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PRUint32(mAudioStream->Available() * sampleSize)));
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if (len) {
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nsAutoArrayPtr<char> buf(new char[len]);
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PRUint32 got = 0;
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